| Base | Representation |
|---|---|
| bin | 10001011101110101010… |
| … | …000100001101010111110 |
| 3 | 11020202002101212010001100 |
| 4 | 101131311100201222332 |
| 5 | 124131114331021303 |
| 6 | 2315220540353530 |
| 7 | 152500432242060 |
| oct | 21356520415276 |
| 9 | 4222071763040 |
| 10 | 1200263142078 |
| 11 | 423035286690 |
| 12 | 1747518458a6 |
| 13 | 89251c7c190 |
| 14 | 42143465730 |
| 15 | 2134cd688a3 |
| hex | 11775421abe |
1200263142078 has 192 divisors, whose sum is σ = 3511190592000. Its totient is φ = 286166926080.
The previous prime is 1200263142073. The next prime is 1200263142079. The reversal of 1200263142078 is 8702413620021.
It is a happy number.
1200263142078 is a `hidden beast` number, since 1 + 200 + 26 + 3 + 1 + 420 + 7 + 8 = 666.
It is a super-2 number, since 2×12002631420782 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1200263142073) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3039148 + ... + 3411296.
It is an arithmetic number, because the mean of its divisors is an integer number (18287451000).
Almost surely, 21200263142078 is an apocalyptic number.
1200263142078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1200263142078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1755595296000).
1200263142078 is an abundant number, since it is smaller than the sum of its proper divisors (2310927449922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1200263142078 is a wasteful number, since it uses less digits than its factorization.
1200263142078 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 372367 (or 372364 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
Adding to 1200263142078 its reverse (8702413620021), we get a palindrome (9902676762099).
It can be divided in two parts, 1200263 and 142078, that added together give a triangular number (1342341 = T1638).
The spelling of 1200263142078 in words is "one trillion, two hundred billion, two hundred sixty-three million, one hundred forty-two thousand, seventy-eight".
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